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M5.4 Depth: 10.0 km

M5.4 Earthquake near Tonga Islands Region

UTC time: 2025-08-23 15:49:54 UTC Local time: —

About this earthquake

A magnitude M5.4 earthquake was recorded near Tonga Islands Region on August 23, 2025 at 15:49 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by GFZ.

Details

Magnitude
M5.4
Depth
10.0 km
UTC time
2025-08-23 15:49:54 UTC
Local time
—
Country
—
Source
gfz
Coordinates
-17.33000, -172.03000
Temperature
25.2°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Alofi293.9 kmSE624

GeoNames · CC BY 4.0

Volcanoes nearby

  • Tafahi
    Distance: 246 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Fonualei
    Distance: 254 km ·Stratovolcano ·Elevation: 188 m ·Last eruption: 1957 ·Tonga
  • Curacoa
    Distance: 258 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·Tonga
  • Tofua Arc at 18.3°S
    Distance: 271 km ·Stratovolcano ·Elevation: -40 m ·Last eruption: 2019 ·Tonga
  • Niuatahi
    Distance: 303 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • West Mata
    Distance: 309 km ·Fissure vent(s) ·Elevation: -1'174 m ·Last eruption: 2009 ·Tonga

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#5
Earlier events M≥415
Earlier events M≥56
Compared since2025-01-05

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M5.72025-08-14 04:38:17 UTC95.7 km208 km ENE of Neiafu, Tonga M5.62025-08-14 04:38:17 UTC135.4 kmTonga Islands Region M5.62025-08-14 04:38:14 UTC127.2 km156 km ENE of Neiafu, Tonga M5.52025-08-14 04:38:14 UTC125.1 kmTonga Islands Region M5.22025-06-01 03:06:24 UTC70.3 kmSamoa Islands Region

Stats (last 24h)

Global (24h)
571
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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